If you have joint problems in your lower extremity then the treadmill might not work to your advantage. You have an office work and you remain idle on your seat for the whole day then the stationary bike won t be compatible with your needs. Another thing to look at when you deal with machines is the actual time that you spend on it. However, it is not advised to people with back problem and even those with healthy backs are cautioned as it can strain muscles from rowing. Rowing machines have different types of resistance. Standard rowing machines use air resistance, other models use a water flywheel which is more closer to real rowing, and still other models use pistons or cylinders. Experts keep on reminding people that any cardio exercise would always be effective if there is enough motivation and determination to perform them. Any machine would not be useful and successful if you would not take the resolve to use it. And there is a need to use cardio exercise equipment correctly and appropriately if you intend to make the use out of it. But if you choose to heighten each training session so as to maximize your full potential then you need to get the proper equipment. One device that can target your heart s performance is the stair climber. It is a machine that provides the resistance and conditioning you can attain by completing a flight of stairs. Cardiovascular exercises help accelerate the body s metabolism so that stored fats and calories would be burned. To achieve your cardiovascular goals, you could use cardio exercise equipment. There are many of such machines that are sold commercially these days. How could you find the best one for your own training? Recumbent cycles provide more comfortable and larger seat than stationary bikes. They also have a backrest offering more back support than traditional upright stationary bikes. These bikes are easy to mount on, since they are lower to the ground. The bike or the user can simply sit down and start pedalling.